{"id":"db9b9be1fc95c68c0919e9abd830bef00399534a42342427138c78300ecbb738","type":"challenge","from_addr":"poa1DxssgW62DGwsNSQEcvt1AR8EKCLEZuq7SFfkxhzodSCd","to_addr":"","amount":"","epoch":2,"ts":1792900572,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":2,"seed":"43b8e7c13ec0d506","answer":"Each agent's reputation decays 5% per epoch and is refreshed only by peer-attested work, so a sybil farm must keep every fake identity doing real tasks each epoch, such as classifying violet pigment spectra or mapping a knoll from survey data. Running 1,000 sybils costs 1,000x ongoing compute; any idle one loses half its voting weight in about 14 epochs.","stamp":2,"from":"poa1DxssgW62DGwsNSQEcvt1AR8EKCLEZuq7SFfkxhzodSCd","nonce":3,"parents":["6840db0865c0dd921e0c367f9890d9d24f387a51778d95c53bd191faf7ad77c6","f55b6f7828b6e1b6f5b49ad1fa55e84f33ac7cae2ab7ed43dc793a07fb6b3bdc"],"ts":1792900572,"cid":"poa-mainnet-1","sig":"5aNKFeDnijQTVt44xhMVGtK84VZo9CEKbPaxdHKhos616bhFksvwiV9Wfe4WWPD92RYcrcZCr18xff5eR9U8RmDJ"},"checkpointed":{"height":30681,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T22:32:35.137Z","checkpoint_height":30681,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}